/* SWIM2.0 :: Simple website menu
****************************************************************
* DOM scripting by brothercake -- http://www.brothercake.com/
* Licensed under GPL -- http://www.gnu.org/copyleft/gpl.html
****************************************************************
* For professional menu solutions visit -- http://www.udm4.com/ 
****************************************************************
*/



window.onload = function()
{
	var verticals = new simpleMenu('menu-v', 'vertical');
	var horizontals = new simpleMenu('menu-h', 'horizontal');
};



function simpleMenu(navid, orient){
	if(typeof document.getElementById == 'undefined' || /opera[\/ ][56]/i.test(navigator.userAgent)) { 
		return; 
	}
	this.iskde = navigator.vendor == 'KDE';
	this.isie = typeof document.all != 'undefined' && typeof window.opera == 'undefined' && !this.iskde;
	this.isoldsaf = navigator.vendor == 'Apple Computer, Inc.' && typeof XMLHttpRequest == 'undefined';
	this.tree = document.getElementById(navid);
	if(this.tree != null){ 
		this.items = this.tree.getElementsByTagName('li');
		this.itemsLen = this.items.length;
		var i = 0; 
		do{
			this.init(this.items[i], this.isie, this.isoldsaf, this.iskde, navid, orient);
		} while (++i < this.itemsLen);
		}
	}
	simpleMenu.prototype.init = function(trigger, isie, isoldsaf, iskde, navid, ishoriz) { 
		trigger.menu = trigger.getElementsByTagName('ul').length > 0 ? trigger.getElementsByTagName('ul')[0] : null;trigger.link = trigger.getElementsByTagName('a')[0];
		trigger.issub = trigger.parentNode.id == navid;
		trigger.ishoriz = ishoriz == 'horizontal';
		this.openers = { 'm' : 'onmouseover', 'k' : (isie ? 'onactivate' : 'onfocus') 
	};
	for(var i in this.openers){
		trigger[this.openers[i]] = function(e){
			if(!iskde) { 
				trigger.link.className += (trigger.link.className == '' ? '' : ' ') + 'rollover'; 
			}
			if(trigger.menu != null){
				if(trigger.ishoriz) { 
					trigger.menu.style.left = (isie || isoldsaf) ? trigger.offsetLeft + 'px' : 'auto'; 
				}
				trigger.menu.style.top = (trigger.ishoriz && trigger.issub) ? (isie || (trigger.ishoriz && isoldsaf)) ? trigger.link.offsetHeight + 'px' : 'auto' : (isie || (trigger.ishoriz && isoldsaf)) ? trigger.offsetTop + 'px' : '0';
			}
		};
	}
	this.closers = { 
		'm' : 'onmouseout', 'k' : (isie ? 'ondeactivate' : 'onblur') 
	};
	for(i in this.closers){
		trigger[this.closers[i]] = function(e) {
			this.related = (!e) ? window.event.toElement : e.relatedTarget;
			if(!this.contains(this.related)){
				if(!iskde) { 
					trigger.link.className = trigger.link.className.replace(/[ ]?rollover/g, ''); 
				}
				if(trigger.menu != null){
					trigger.menu.style[(trigger.ishoriz ? 'left' : 'top')] = trigger.ishoriz ? '-10000px' : '-100em';
				}
			}
		};
	}
	if(!isie){
		trigger.contains = function(node){
			if (node == null) { 
				return false; 
			}
			if (node == this) {
				 return true; 
			} else { 
				return this.contains(node.parentNode);
			}
		};
	}
}